OpenTechnical

OT-2026-000050925

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000050925) never changes.

Identity and time

Publication numberOT-2026-000050925 · never reused
Internal UUID01a0ae82-c7b3-76c6-8c65-888369018e1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050925
StatusPUBLIC

Content hashes

Canonical text4a8e1fde86707770f9b357bc35f7b3e3926f83c56dbbe3e02868766346222515
Markdown3098f898efe57a03aacb5fcabc23576f3c69ddff1e2b067cdd19b41aa4dcae8e
PDF
Publication page35395888e61ed6ffa8099e589fe759819a0ed9f780777c81e97d7b8a240d6be9
Manifest9dd7eb2285034eada0fd6ba5e846bc03619ed18a08fee8c2697e4a5b1470632b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureOQupJP6UudzLGK4L1I2WRrC9acJ3p4OvnwW2OeHSVQPN6WVqjXmzMooMW2aNOPILiW2j1pzS5MCLPJ3X8vWUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:41.128560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925
observed 35395888e61ed6ffa8099e589fe75981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.108080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925
observed 35395888e61ed6ffa8099e589fe75981...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.107732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925/manifest.json
observed 9dd7eb2285034eada0fd6ba5e846bc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.088772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925/publication.md
observed 3098f898efe57a03aacb5fcabc23576f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.085994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925/manifest.json
observed 9dd7eb2285034eada0fd6ba5e846bc03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.069428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925/publication.txt
observed 4a8e1fde86707770f9b357bc35f7b3e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.067662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925/publication.md
observed 3098f898efe57a03aacb5fcabc23576f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.051576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050925/publication.txt
observed 4a8e1fde86707770f9b357bc35f7b3e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.